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Water Stream Detects Pollution Better

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NAPLES, Italy, Oct. 15, 2013 — A microfluidic sensor with a novel design uses unconfined streams of water as a simple, cheap way to test for dangerous chemicals and bacteria in liquid. The pollutant detector, developed in Italy within the framework of the research project ACQUASENSE, forgoes the walls of channels used in today's more advanced water testing devices, which can produce background noise that makes getting a clear reading difficult. Instead, it favors a narrow stream of water unconfined by tubes or pipes, with the water jet doubling as both the sample and the collection equipment. Schematic of the...Read full article

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    Published: October 2013
    Glossary
    sensor
    1. A generic term for detector. 2. A complete optical/mechanical/electronic system that contains some form of radiation detector.
    spectrophotometer
    A spectrophotometer is a scientific instrument used to measure the intensity of light at various wavelengths in the electromagnetic spectrum, typically in the visible and ultraviolet regions. It is commonly employed in various fields such as chemistry, physics, biology, and environmental science for a wide range of applications, including chemical analysis, color measurement, and concentration determination of substances in a solution. Spectrophotometers operate by passing a beam of light...
    waveguide
    A waveguide is a physical structure or device that is designed to confine and guide electromagnetic waves, such as radio waves, microwaves, or light waves. It is commonly used in communication systems, radar systems, and other applications where the controlled transmission of electromagnetic waves is crucial. The basic function of a waveguide is to provide a path for the propagation of electromagnetic waves while minimizing the loss of energy. Waveguides come in various shapes and sizes, and...
    ACQUASENSEbacteriaBiophotonicschemicalsCNRcontaminantenvironmental sensingEuropeFiltersfluorescentGianluca PersichettiImagingIREAItalymicrofluidicOpticsOptics ExpresspollutantResearch & TechnologysensorspectrophotometerspectroscopyUVwaterwater testingWaveguideLasersLEDs

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